The word Heydsail is misspelled against Headsail, a noun meaning "Any sail set forward of the foremast."
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Headsail has vowels 'ea' together mispronounced as 'ey'
Word contains consecutive vowels 'EA' in between alphabets h & dsail is misspelled as 'EY'
Wrong Spelling:  h-ey-dsail 
Correct Spelling:  h-ea-dsail 
Find more wrongly spelled words of Headsail to spell it well.